Stax
Stax — US subscription-based payment processor with flat-rate pricing, interchange-plus, and integrated POS for SMB merchants.
Our Verdict
Math works for mid-volume US SMBs — below $10k/month, flat-rate processors beat the subscription.
Pros
- Flat subscription pricing scales for volume
- Interchange-plus transparency for larger SMBs
- Integrated POS plus online processing
- Break-even volume roughly $10k/month
Cons
- Monthly fee hurts low-volume merchants
- US-only — no international processing
- Customer service complaints recurring online
- Legacy tech feel vs modern API-first peers
Best for: US SMBs processing $15k+/month wanting predictable interchange-plus pricing
Not for: Low-volume merchants or anyone needing modern developer APIs
When to Use Stax
Good fit if you need
- Flat-rate subscription payment processing for US SMB merchants
- Interchange-plus pricing for US retail and restaurant POS
- Integrated POS and online checkout for US small businesses
Lock-in Assessment
Medium 3/5
Lock-in Score 3/5
Pricing
Price wrong?Stax Pricing
- Pricing Model
- subscription
- Free Tier
- No
- Entry Price
- —
- Enterprise Available
- No
- Transparency Score
- —
Beta — estimates may differ from actual pricing
1,000
1001K10K100K1M
Estimated Monthly Cost
$25
Estimated Annual Cost
$300
Estimates are approximate and may not reflect current pricing. Always check the official pricing page.
Community Discussion
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